Kohler K-158 Instructions D'installation page 6

Valve Body
Inlet
Ferrule
Valve Body
Inlet
4. Install the Supplies
NOTE: If the sink is not installed, install it at this time. Be sure to
follow all instructions packed with the sink.
Slide the coupling nuts and ferrules onto the supply tubes.
Secure the supply tubes and valve body inlets with coupling nuts.
Carefully insert the supply tubes into the valve body inlets and
shut-off valve outlets (if used).
Position the round end of the supply tube squarely to the valve
body inlet and supply stop.
Tighten all coupling nuts.
1015072-2-D
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Supply
Tube
Coupling Nut
Ferrule
Supply Stop
6 Kohler Co.